*/
    @Test
    public void testToSqlTimestamp_Null() throws Exception {
        assertThat(toSqlTimestamp(null, Locale.JAPAN), is(nullValue()));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToTimestamp_EmptyString() throws Exception {
        assertThat(toSqlTimestamp("", Locale.JAPAN), is(nullValue()));
    }

    /**
     * @throws Exception
     */

        this.pattern = pattern;
    }

    @Override
    public Object getAsObject(final String value) {
        if (isEmpty(value)) {
            return null;
        }
        return TimestampConversionUtil.toSqlTimestamp(value, pattern);
    }

    @Override
    public String getAsString(final Object value) {
        if (value == null) {
            return null;
        }

                    return TimeConversionUtil.toDate(arg);
                }
            }
        } else if (propertyType == Timestamp.class) {
            return TimestampConversionUtil.toSqlTimestamp(arg);
        } else if (propertyType == java.sql.Date.class) {
            return DateConversionUtil.toSqlDate(arg);
        } else if (propertyType == Time.class) {
            return TimeConversionUtil.toSqlTime(arg);